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#![allow(unused)]
use std::borrow::Borrow;
use std::collections::BTreeMap;
use bytes::Bytes;
use log::error;
use uuid::Uuid;
use crate::protocol::{
Encodable, Decodable, MapEncodable, MapDecodable, Encoder, Decoder, EncodeError, DecodeError, Message, HeaderVersion, VersionRange,
types, write_unknown_tagged_fields, compute_unknown_tagged_fields_size, StrBytes, buf::{ByteBuf, ByteBufMut}, Builder
};
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
pub struct BrokerHeartbeatRequest {
pub broker_id: super::BrokerId,
pub broker_epoch: i64,
pub current_metadata_offset: i64,
pub want_fence: bool,
pub want_shut_down: bool,
pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}
impl Builder for BrokerHeartbeatRequest {
type Builder = BrokerHeartbeatRequestBuilder;
fn builder() -> Self::Builder{
BrokerHeartbeatRequestBuilder::default()
}
}
impl Encodable for BrokerHeartbeatRequest {
fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
types::Int32.encode(buf, &self.broker_id)?;
types::Int64.encode(buf, &self.broker_epoch)?;
types::Int64.encode(buf, &self.current_metadata_offset)?;
types::Boolean.encode(buf, &self.want_fence)?;
types::Boolean.encode(buf, &self.want_shut_down)?;
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
return Err(EncodeError);
}
types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
Ok(())
}
fn compute_size(&self, version: i16) -> Result<usize, EncodeError> {
let mut total_size = 0;
total_size += types::Int32.compute_size(&self.broker_id)?;
total_size += types::Int64.compute_size(&self.broker_epoch)?;
total_size += types::Int64.compute_size(&self.current_metadata_offset)?;
total_size += types::Boolean.compute_size(&self.want_fence)?;
total_size += types::Boolean.compute_size(&self.want_shut_down)?;
let num_tagged_fields = self.unknown_tagged_fields.len();
if num_tagged_fields > std::u32::MAX as usize {
error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
return Err(EncodeError);
}
total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
Ok(total_size)
}
}
impl Decodable for BrokerHeartbeatRequest {
fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
let broker_id = types::Int32.decode(buf)?;
let broker_epoch = types::Int64.decode(buf)?;
let current_metadata_offset = types::Int64.decode(buf)?;
let want_fence = types::Boolean.decode(buf)?;
let want_shut_down = types::Boolean.decode(buf)?;
let mut unknown_tagged_fields = BTreeMap::new();
let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
for _ in 0..num_tagged_fields {
let tag: u32 = types::UnsignedVarInt.decode(buf)?;
let size: u32 = types::UnsignedVarInt.decode(buf)?;
let mut unknown_value = vec![0; size as usize];
buf.try_copy_to_slice(&mut unknown_value)?;
unknown_tagged_fields.insert(tag as i32, unknown_value);
}
Ok(Self {
broker_id,
broker_epoch,
current_metadata_offset,
want_fence,
want_shut_down,
unknown_tagged_fields,
})
}
}
impl Default for BrokerHeartbeatRequest {
fn default() -> Self {
Self {
broker_id: (0).into(),
broker_epoch: -1,
current_metadata_offset: 0,
want_fence: false,
want_shut_down: false,
unknown_tagged_fields: BTreeMap::new(),
}
}
}
impl Message for BrokerHeartbeatRequest {
const VERSIONS: VersionRange = VersionRange { min: 0, max: 0 };
}
impl HeaderVersion for BrokerHeartbeatRequest {
fn header_version(version: i16) -> i16 {
2
}
}